class_docstr: Wrapper for printable lists ensuring that the list is printed/represented the same way in Py2 and Py3.
  Use with caution: in PY2, this will work only if all items in the list are ascii-compatible.
  Mainly aimed for usage in docstrings or warnings where list items are defined statically.
code: def __str__(self):
      return str([it for it in self])
  
file_path: h2o-3/h2o-py/h2o/utils/compatibility.py
label_desc: Use image node_id 2 for calling the PList obj's underlying member method code with example usage: obj.__str__() and returns: str